Optimal band selection and combination of multi-spectrum data is the key for image enhancement, it directly influences eye estimation and object information distilled.
多光谱遥感数据的最佳波段选取与组合是遥感图像增强处理的关键部分，直接影响到图像的目视解译和研究对象的信息提取。
The key problem for geographic element selection is synthetic consideration of multi attributes indexes.
要素选取的关键在于多属性指标的综合考虑。
The two key techniques-cordless telephony profile and multi-PSTN bluetooth gateway dynamic selection are studied in depth.
接着对本文的两个关键技术——无绳电话剖面以及多pstn蓝牙网关动态选择进行了深入研究。
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